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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "core/dom/DocumentParserTiming.h" | 5 #include "core/dom/DocumentParserTiming.h" |
| 6 | 6 |
| 7 #include "core/dom/Document.h" | 7 #include "core/dom/Document.h" |
| 8 #include "core/loader/DocumentLoader.h" | 8 #include "core/loader/DocumentLoader.h" |
| 9 #include "platform/TraceEvent.h" | 9 #include "platform/TraceEvent.h" |
| 10 #include "wtf/RawPtr.h" | 10 #include "wtf/RawPtr.h" |
| 11 | 11 |
| 12 namespace blink { | 12 namespace blink { |
| 13 | 13 |
| 14 static const char kSupplementName[] = "DocumentParserTiming"; | 14 static const char kSupplementName[] = "DocumentParserTiming"; |
| 15 | 15 |
| 16 DocumentParserTiming& DocumentParserTiming::from(Document& document) | 16 DocumentParserTiming& DocumentParserTiming::from(Document& document) |
| 17 { | 17 { |
| 18 DocumentParserTiming* timing = static_cast<DocumentParserTiming*>(Supplement
<Document>::from(document, kSupplementName)); | 18 DocumentParserTiming* timing = static_cast<DocumentParserTiming*>(Supplement
<Document>::from(document, kSupplementName)); |
| 19 if (!timing) { | 19 if (!timing) { |
| 20 timing = new DocumentParserTiming(document); | 20 timing = new DocumentParserTiming(document); |
| 21 Supplement<Document>::provideTo(document, kSupplementName, timing); | 21 Supplement<Document>::provideTo(document, kSupplementName, timing); |
| 22 } | 22 } |
| 23 return *timing; | 23 return *timing; |
| 24 } | 24 } |
| 25 | 25 |
| 26 void DocumentParserTiming::markParserStart() | 26 void DocumentParserTiming::markParserStart() |
| 27 { | 27 { |
| 28 if (m_parserDetached || m_parserStart > 0.0) | 28 if (m_parserDetached || m_parserStart > 0.0) |
| 29 return; | 29 return; |
| 30 ASSERT(m_parserStop == 0.0); | 30 DCHECK_EQ(m_parserStop, 0.0); |
| 31 m_parserStart = monotonicallyIncreasingTime(); | 31 m_parserStart = monotonicallyIncreasingTime(); |
| 32 notifyDocumentParserTimingChanged(); | 32 notifyDocumentParserTimingChanged(); |
| 33 } | 33 } |
| 34 | 34 |
| 35 void DocumentParserTiming::markParserStop() | 35 void DocumentParserTiming::markParserStop() |
| 36 { | 36 { |
| 37 if (m_parserDetached || m_parserStart == 0.0 || m_parserStop > 0.0) | 37 if (m_parserDetached || m_parserStart == 0.0 || m_parserStop > 0.0) |
| 38 return; | 38 return; |
| 39 m_parserStop = monotonicallyIncreasingTime(); | 39 m_parserStop = monotonicallyIncreasingTime(); |
| 40 notifyDocumentParserTimingChanged(); | 40 notifyDocumentParserTimingChanged(); |
| 41 } | 41 } |
| 42 | 42 |
| 43 void DocumentParserTiming::markParserDetached() | 43 void DocumentParserTiming::markParserDetached() |
| 44 { | 44 { |
| 45 ASSERT(m_parserStart > 0.0); | 45 DCHECK_GT(m_parserStart, 0.0); |
| 46 m_parserDetached = true; | 46 m_parserDetached = true; |
| 47 } | 47 } |
| 48 | 48 |
| 49 void DocumentParserTiming::recordParserBlockedOnScriptLoadDuration( | 49 void DocumentParserTiming::recordParserBlockedOnScriptLoadDuration( |
| 50 double duration, bool scriptInsertedViaDocumentWrite) | 50 double duration, bool scriptInsertedViaDocumentWrite) |
| 51 { | 51 { |
| 52 if (m_parserDetached || m_parserStart == 0.0 || m_parserStop > 0.0) | 52 if (m_parserDetached || m_parserStart == 0.0 || m_parserStop > 0.0) |
| 53 return; | 53 return; |
| 54 m_parserBlockedOnScriptLoadDuration += duration; | 54 m_parserBlockedOnScriptLoadDuration += duration; |
| 55 if (scriptInsertedViaDocumentWrite) | 55 if (scriptInsertedViaDocumentWrite) |
| (...skipping 11 matching lines...) Expand all Loading... |
| 67 { | 67 { |
| 68 } | 68 } |
| 69 | 69 |
| 70 void DocumentParserTiming::notifyDocumentParserTimingChanged() | 70 void DocumentParserTiming::notifyDocumentParserTimingChanged() |
| 71 { | 71 { |
| 72 if (m_document->loader()) | 72 if (m_document->loader()) |
| 73 m_document->loader()->didChangePerformanceTiming(); | 73 m_document->loader()->didChangePerformanceTiming(); |
| 74 } | 74 } |
| 75 | 75 |
| 76 } // namespace blink | 76 } // namespace blink |
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